SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.6 — Authenticated (Subscriber+) Insecure Direct Object Reference
CVE-2026-54826Published · Updated Action summary
Affected: ≤3.4.6Update to 3.4.7 or newer
All remediation steps- Severity
- Medium4.3
- CVSS
- 4.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
SupportCandy – Helpdesk, Support Ticket System & AI Chatbot supportcandy
- Affected≤ 3.4.6
- Patched in3.4.7
Update to 3.4.7 or newer.
You are affected if you run ≤ 3.4.6. Version 3.4.7 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under SupportCandy – Helpdesk, Support Ticket System & AI Chatbot.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 3.4.7, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch SupportCandy – Helpdesk, Support Ticket System & AI Chatbot to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to HieuPenguinnn.
The SupportCandy – Helpdesk & Customer Support Ticket System plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.4.6 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in SupportCandy – Helpdesk, Support Ticket System & AI Chatbot
All 24| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting via 'name' Parameter ≤3.5.3Update to 3.5.4 | CVE-2026-94378 | |
| Medium6.5 | Authenticated (Custom+) SQL Injection via 'sort_by' Parameter ≤3.5.3Update to 3.5.4 | CVE-2026-94539 | |
| Medium5.3 | 3.5.2 - Unauthenticated Information Exposure 3.3.6 – 3.5.2Update to 3.5.3 | CVE-2026-81022 | |
| Medium5.3 | 3.5.2 - Unauthenticated Ticket Attachment Read 3.2.9 – 3.5.2Update to 3.5.3 | CVE-2026-81021 | |
| Medium5.3 | Missing Authorization ≤3.5.1Update to 3.5.2 | CVE-2026-73350 |
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via 'name' Parameter
≤3.5.3Update to 3.5.4
- Medium6.5Authenticated (Custom+) SQL Injection via 'sort_by' Parameter
≤3.5.3Update to 3.5.4
- Medium5.33.5.2 - Unauthenticated Information Exposure
3.3.6 – 3.5.2Update to 3.5.3
- Medium5.33.5.2 - Unauthenticated Ticket Attachment Read
3.2.9 – 3.5.2Update to 3.5.3
- Medium5.3Missing Authorization
≤3.5.1Update to 3.5.2
Timeline
CVE published
Severity medium, CVSS 4.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.